Get started in seconds
Pick how you want to bring in text – analysis runs instantly.
en
No issues found. 🎉
Text, readability & accessibility
Pick how you want to bring in text – analysis runs instantly.
Paste any text into the editor above and instantly see its reading level with Flesch–Kincaid grade level, Flesch Reading Ease and LIX. Ideal when you need to match a target audience, a curriculum, or an accessibility standard.
0–100. Higher = easier. Above 60 is easy for most adults; below 30 is college-level.
US school grade (1–16+). Grade 8 means the text suits an 8th-grader, ~14 years old.
Swedish readability formula. Below 40 is easy, 40–50 medium, above 60 very difficult.
Flesch Reading Ease is the most widely used readability score in English. The formula weighs average sentence length against average syllables per word. Text Thrive calculates it live as you write.
When the reading level is too high, the fix is to simplify. Text Thrive flags long sentences, long words, jargon and passive voice — and suggests plain-language rewrites. The AI can rewrite whole paragraphs while keeping tone, terminology and references intact.
Reword a sentence — or a whole paragraph — in one click. Pick from several variants.
Breaks long sentences and swaps formal words for everyday alternatives.
Pick the 'Plain language' purpose to tighten thresholds automatically.
The AI can explain expert text so a 12-year-old gets it — without losing the facts.
Short sentences, common words, generous spacing and a clear sans-serif — that's the recipe for text that works for readers with dyslexia, second-language learners and cognitive disabilities.
Read the guide: How to make text easier to read for dyslexia →
Readability is how easy a text is to read. Text Thrive scores it with Flesch Reading Ease and Flesch–Kincaid grade level for English, and LIX for Swedish, then flags long sentences, long words, jargon and passive voice.
Paste your text into the editor above. You immediately get Flesch, LIX, grade level, average sentence length, and a list of sentences to simplify.
Shorten sentences (aim for 15–20 words), replace long or formal words with short everyday ones, break paragraphs, and turn passive voice into active. Text Thrive flags each issue and can rewrite the sentence for you.
Short sentences, common words, clear structure and active voice. Formatting (subheadings, lists, paragraph breaks) lifts readability a lot.
Yes. Text Thrive suggests plain-language rewrites for every flagged sentence and can rewrite whole paragraphs while keeping meaning and terminology.
A clear sans-serif like Inter, Atkinson Hyperlegible or OpenDyslexic at 16–18 px with 1.5 line-height works for almost every reader.